Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Moderately Highly Very extremely Extremely Moderately Highly Very extremely Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Limestone mining Asbestos Textile Coal mining Limestone mining Asbestos Textile Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Stratosphere None of these Troposphere Ionosphere Stratosphere None of these Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases Increases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Decreases ANSWER DOWNLOAD EXAMIANS APP